Alastair Neil writes: 

> I am trying to set up a fileserver which will serve files for around 9000
> users.  Each user will get two ZFS file systems one for home directory and
> another for web space.  This means around 18000 ZFS filesystems. 
> 
> The production machine is a dual Xeon wtih 8 Gbytes of RAM.  My development
> system is a uniprocessor P4 with 2 Gbytes of ram.

Not a good system for testing ZFS deployments, you really should use a 64 
bit system with at least 4GB of RAM. 

> I have managed to get
> around 3400 fielsystems created on my test system and then it locks up
> generating resource errors from fork. 
> 
> Does anyone have any experience with this number of ZFS filesystems? if so
> will the production system as specced  be able to handle this number of ZFS
> filesytems? 
> 
People have, try the zfs-discuss list after checking its archives. 

Ian 

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